/*
 * Copyright 2015-2019 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.rsocket.resume;

import reactor.core.publisher.Flux;
import reactor.core.publisher.ReplayProcessor;

class RequestListener {
  private final ReplayProcessor<Long> requests = ReplayProcessor.create(1);

  public <T> Flux<T> apply(Flux<T> flux) {
    return flux.doOnRequest(requests::onNext);
  }

  public Flux<Long> requests() {
    return requests;
  }
}
